R help - Apr 2010 - can't find "daphnia.txt" and others while working through Crawley's R-Book

I have a feeling that this is an embarassingly simple fix, but I've been at
it for most of the morning and can't get things figured out.

 

I'm trying to work through some examples in Crawley's "The R
Book".  I have installed packages and libraries as described in the book,
but when I try, for example:

 

data<-read.table("c:\\temp\\daphnia.txt", header=T)

 

I get:

 

Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
cannot open file 'c:\temp\daphnia.txt': No such file or directory


There is nothing in my c:\temp folder, so I'm not suprised that it
doesn't work, but I can't for the life of me figure out which package or
library I will need to gain access to this and other data files used in this
book.

 

Thanks in advance,

-Dave
 		 	   		  
_________________________________________________________________


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On Apr 15, 2010, at 11:42 AM, David Hardie wrote:
>
> I have a feeling that this is an embarassingly simple fix, but I've  
> been at it for most of the morning and can't get things figured out.
>
> I'm trying to work through some examples in Crawley's "The R
Book".
> I have installed packages and libraries as described in the book,  
> but when I try, for example:
>
> data<-read.table("c:\\temp\\daphnia.txt", header=T)
>
>
> I get:
>
> Error in file(file, "rt") : cannot open the connection
> In addition: Warning message:
> In file(file, "rt") :
> cannot open file 'c:\temp\daphnia.txt': No such file or directory
>
>
> There is nothing in my c:\temp folder, so I'm not suprised that it  
> doesn't work, but I can't for the life of me figure out which  
> package or library I will need to gain access to this and other data  
> files used in this book.
This would appear to be more a problem with you lack of understanding  
regarding the file management utilities of Windows. In Linux or a Mac  
you could use the locate function to track down where the file ended  
up, but surely whatever Windows version you have allows such searching.

-- 
David.
>
>
>
> Thanks in advance,
>
> -Dave
> 		 	   	

David Winsemius, MD
West Hartford, CT